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參數(shù)資料
| 型號： | TPS62082DSGT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.002 A SWITCHING REGULATOR, PDSO8 |
| 封裝： | 2 X 2 MM, GREEN, PLASTIC, WSON-8 |
| 文件頁數(shù)： | 23/26頁 |
| 文件大小： | 872K |
| 代理商： | TPS62082DSGT |
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TPS6208x
L1
C1
R1
R2
V
IN
POWER GOOD
SW
VOS
VIN
EN
GND
MODE
PG
FB
C2
R3
V
OUT
C3
SLVSAE8
– SEPTEMBER 2011
TYPICAL CHARACTERISTICS
PARAMETER MEASUREMENT INFORMATION
Table 2. List of Components
REFERENCE
DESCRIPTION
MANUFACTURER
C1
10uF, Ceramic Capacitor, 6.3V, X5R, size 0603
Std
22uF, Ceramic Capacitor, 6.3V, X5R, size 0805,
C2
Murata
GRM21BR60J226ME39L
47uF, Tantalum Capacitor, 8V, 35m
Ω, size 3528,
C3
Kemet
T520B476M008ATE035
L1
1.0
H, Power Inductor, 2.2A, size 3x3x1.2mm, XFL3012-102MEB
Coilcraft
Depending on the output voltage of TPS62080, 1%; Not be
R1
populated for TPS62081, TPS62082;
R2
39.2k, Chip Resistor, 1/16W, 1%, size 0603
Std
R3
178k, Chip Resistor, 1/16W, 1%, size 0603
Std
TABLE OF GRAPHS
Figure
TPS62080, Load Current, VOUT = 0.9V
TPS62080, Load Current, VOUT = 1.2V
Efficiency
TPS62080, Load Current, VOUT = 2.5V
TPS62081, Load Current, VOUT = 1.8V
TPS62082, Load Current, VOUT = 3.3V
TPS62080, Input Voltage, VOUT = 0.9V
TPS62080, Input Voltage, VOUT = 2.5V
TPS62081, Input Voltage, VOUT = 1.8V
TPS62082, Input Voltage, VOUT = 3.3V
Output Voltage
Accuracy
TPS62080, Load Current, VOUT = 0.9V
TPS62080, Load Current, VOUT = 2.5V
TPS62081, Load Current, VOUT = 1.8V
TPS62082, Load Current, VOUT = 3.3V
Input Voltage, Normal Mode
Quiescent Current
Input Voltage, Snooze Mode
Input Voltage, High Side FET
RDS(on)
Input Voltage, Low Side FET
TPS62080, Load Current, VOUT = 0.9V,
Switching Frequency
TPS62080, Load Current, VOUT = 2.5V,
TPS62080, VIN = 3.3V, VOUT = 1.2V, Load Current = 500mA, PWM Mode
Typical Operation
TPS62080, VIN = 3.3V, VOUT = 1.2V, Load Current = 10mA, PFM Mode
TPS62080, VIN = 3.3V, VOUT = 1.2V, Load Current = 2mA, Snooze Mode
6
Copyright
2011, Texas Instruments Incorporated
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